RIDGID R841151 is a 22021/2 in. 18 VOLT HAMMER DRILL manufactured to high standards for dependability, ease of operation, and operator safety. When properly cared for, the drill gives years of rugged, trouble-free performance.
This new drill features an ergonomic soft rubber grip for comfort, a variable-speed reversible motor for added control, and a keyless chuck for quick and easy bit changes. The drill also has a built-in LED light to illuminate your work area and a belt hook for easy storage.
The RIDGID R841151 is ideal for drilling into wood, metal, plastic, and masonry.
RIDGID R841151 is a 22021/2 in. 18 VOLT HAMMER DRILL manufactured to high standards for dependability, ease of operation, and operator safety. When properly cared for, the drill gives years of rugged, trouble-free performance.
This new drill features an ergonomic soft rubber grip for comfort, a variable-speed reversible motor for added control, and a keyless chuck for quick and easy bit changes. The drill also has a built-in LED light to illuminate your work area and a belt hook for easy storage.
The RIDGID R841151 is ideal for drilling into wood, metal, plastic, and masonry.
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This new drill has been engineered and manufactured to our high standards for dependability, ease of operation, and operator
safety. When properly cared for, the drill will give you years of rugged, trouble-free performance.
WARNING:
To reduce the risk of injury, the user must read and understand the operator’s manual before using this product.
Thank you for buying a RIDGID product.
SAVE THIS MANUAL FOR FUTURE REFERENCE
X
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OPERATOR’S MANUAL
1/2 in. 18 VOLT HAMMER DRILL
R841151
®
2
TABLE OF CONTENTS
Introduction .................................................................................................................................................................... 2
General Safety Rules .................................................................................................................................................. 3-4
Specific Safety Rules ..................................................................................................................................................... 4
Important Safety Instructions for Charger ...................................................................................................................... 5
Symbols ......................................................................................................................................................................... 6
Features ...................................................................................................................................................................... 7-8
Unpacking ...................................................................................................................................................................... 9
Operation ................................................................................................................................................................ 10-17
Maintenance ........................................................................................................................................................... 18-19
Warranty ...................................................................................................................................................................... 20
Customer Service Information ..................................................................................................................................... 22
INTRODUCTION
The 18 Volt Cordless Hammer Drill has many features for making the use of this product more pleasant and enjoyable.
Safety, performance, and dependability have been given top priority in the design of this product making it easy to
maintain and operate.
WARNING:
Do not attempt to use this product until you thoroughly read and completely understand the operator’s manual. Pay
close attention to the safety rules, including Dangers, Warnings, and Cautions. If you use your product properly and
only as intended, you will enjoy years of safe, reliable service.
Look for this symbol to point out important safety precautions. It
means attention!!! Your safety is involved.
WARNING:
The operation of any tool can result in foreign objects being thrown into your eyes, which can result in severe
eye damage. Before beginning operation, always wear safety goggles or safety glasses with side shields and
a full face shield when needed. We recommend Wide Vision Safety Mask for use over eyeglasses or
standard safety glasses with side shields. Always wear eye protection which is marked to comply with ANSI
Z87.1.
3
GENERAL SAFETY RULES
WARNING:
Read and understand all instructions. Failure to
follow all instructions listed below, may result in
electric shock, fire and/or serious personal injury.
SAVE THESE INSTRUCTIONS
WORK AREA
Keep your work area clean and well lit. Cluttered
benches and dark areas invite accidents.
Do not operate power tools in explosive atmospheres,
such as in the presence of flammable liquids, gases,
or dust. Power tools create sparks which may ignite the
dust or fumes.
Keep bystanders, children, and visitors away while
operating a power tool. Distractions can cause you to
lose control.
ELECTRICAL SAFETY
A battery operated tool with integral batteries or a
separate battery pack must be recharged only with
the specified charger for the battery. A charger that
may be suitable for one type of battery may create a risk
of fire when used with another battery.
Use battery operated tool only with specifically
designated battery pack. Use of any other batteries may
create a risk of fire.
Use battery only with charger listed.
MODEL BATTERY PACK CHARGER
R841151 130254003 140276002
Do not abuse the cord. Never use the cord to carry
the charger. Keep cord away from heat, oil, sharp
edges, or moving parts. Replace damaged cords im-
mediately. Damaged cords may create a fire.
PERSONAL SAFETY
Stay alert, watch what you are doing and use com-
mon sense when operating a power tool. Do not use
tool while tired or under the influence of drugs, alco-
hol, or medication. A moment of inattention while oper-
ating power tools may result in serious personal injury.
Dress properly. Do not wear loose clothing or jew-
elry. Contain long hair. Keep your hair, clothing, and
gloves away from moving parts. Loose clothes, jew-
elry, or long hair can be caught in moving parts.
Avoid accidental starting. Be sure switch is in the
locked or off position before inserting battery pack.
Carrying tools with your finger on the switch or inserting
the battery pack into a tool with the switch on invites acci-
dents.
Remove adjusting keys or wrenches before turning
the tool on. A wrench or a key that is left attached to a
rotating part of the tool may result in personal injury.
Do not overreach. Keep proper footing and balance
at all times. Proper footing and balance enable better
control of the tool in unexpected situations.
Use safety equipment. Always wear eye protection.
Dust mask, non-skid safety shoes, hard hat, or hearing
protection must be used for appropriate conditions.
TOOL USE AND CARE
Use clamps or other practical way to secure and sup-
port the workpiece to a stable platform. Holding the
work by hand or against your body is unstable and may
lead to loss of control.
Do not force tool. Use the correct tool for your appli-
cation. The correct tool will do the job better and safer at
the rate for which it is designed.
Do not use tool if switch does not turn it on or off. A
tool that cannot be controlled with the switch is danger-
ous and must be repaired.
Disconnect battery pack from tool or place the switch
in the locked or off position before making any ad-
justments, changing accessories, or storing the tool.
Such preventive safety measures reduce the risk of start-
ing the tool accidentally.
Store idle tools out of reach of children and other
untrained persons. Tools are dangerous in the hands of
untrained users.
When battery pack is not in use, keep it away from
other metal objects like: paper clips, coins, keys, nails,
screws, or other small metal objects that can make a
connection from one terminal to another. Shorting the
battery terminals together may cause sparks, burns, or a
fire.
Maintain tools with care. Keep cutting tools sharp
and clean. Properly maintained tools with sharp cutting
edges are less likely to bind and are easier to control.
Check for misalignment or binding of moving parts,
breakage of parts, and any other condition that may
affect the tool's operation. If damaged, have the tool
serviced before using. Many accidents are caused by
poorly maintained tools.
Use only accessories that are recommended by the
manufacturer for your model. Accessories that may be
suitable for one tool may create a risk of injury when used
on another tool.
Keep the tool and its handle dry, clean and free from
oil and grease. Always use a clean cloth when cleaning.
Never use brake fluids, gasoline, petroleum-based prod-
ucts, or any strong solvents to clean your tool. Following
this rule will reduce the risk of loss of control and deterio-
ration of the enclosure plastic.
4
SERVICE
Tool service must be performed only by qualified
repair personnel. Service or maintenance performed
by unqualified personnel may result in a risk of injury.
When servicing a tool, use only identical replace-
ment parts. Follow instructions in the Maintenance
section of this manual. Use of unauthorized parts or
failure to follow Maintenance Instructions may create a
risk of shock or injury.
Hold tool by insulated gripping surfaces when performing an operation where the cutting tool may contact
hidden wiring. Contact with a "live" wire will also make exposed metal parts of the tool "live" and shock the operator.
ADDITIONAL RULES FOR SAFE OPERATION
Know your power tool. Read operator's manual care-
fully. Learn its applications and limitations, as well as
the specific potential hazards related to this tool.
Following this rule will reduce the risk of electric shock,
fire, or serious injury.
Always wear safety glasses with side shields. Every-
day glasses have only impact resistant lenses. They are
NOT safety glasses. Following this rule will reduce the risk
of eye injury.
IMPORTANT RULES FOR BATTERY TOOLS
Battery tools do not have to be plugged into an
electrical outlet; therefore, they are always in operat-
ing condition. Be aware of possible hazards when not
using your battery tool or when changing accesso-
ries. Following this rule will reduce the risk of electric
shock, fire, or serious personal injury.
Do not place battery tools or their batteries near fire
or heat. This will reduce the risk of explosion and possibly
injury.
WARNING: Batteries vent hydrogen gas and can ex-
plode in the presence of a source of ignition, such as a
pilot light. To reduce the risk of serious personal injury,
never use any cordless product in the presence of open
flame. An exploded battery can propel debris and chemi-
cals. If exposed, flush with water immediately.
Do not charge battery tool in a damp or wet location.
Following this rule will reduce the risk of electric shock.
For best results, your battery tool should be charged in
a location where the temperature is more than 50°F but
less than 100°F. Do not store outside or in vehicles.
Under extreme usage or temperature conditions, bat-
tery leakage may occur. If liquid comes in contact
with your skin, wash immediately with soap and
water, then neutralize with lemon juice or vinegar. If
liquid gets into your eyes, flush them with clean water
for at least 10 minutes, then seek immediate medical
attention. Following this rule will reduce the risk of serious
personal injury.
GENERAL SAFETY RULES
SPECIFIC SAFETY RULES
5
WARNING:
Read and understand all instructions. Failure to
follow all instructions listed below, may result in
electric shock, fire and/or serious personal injury.
Never use a battery that has been dropped or
received a sharp blow. A damaged battery is subject
to explosion. Properly dispose of a dropped battery
immediately. Failure to heed this warning can result in
serious personal injury.
Save these instructions. This manual contains im-
portant safety and operating instructions for charger.
Before using battery charger, read all instructions
and cautionary markings in this manual, on battery
charger, and product using battery charger. Following
this rule will reduce the risk of electric shock, fire, or
serious personal injury.
CAUTION: To reduce risk of injury, charge only
nickel-cadmium type rechargeable batteries. Other
types of batteries may burst causing personal injury
and damage. Following this rule will reduce the risk of
electric shock, fire, or serious personal injury.
Do not expose charger to wet or damp conditions.
Following this rule will reduce the risk of electric shock,
fire, or serious personal injury.
Use of an attachment not recommended or sold by
the battery charger manufacturer may result in a risk
of fire, electric shock, or injury to persons. Following
this rule will reduce the risk of electric shock, fire, or
serious personal injury.
To reduce risk of damage to charger body and cord,
pull by charger plug rather than cord when discon-
necting charger. Following this rule will reduce the risk
of electric shock, fire, or serious personal injury.
Make sure cord is located so that it will not be
stepped on, tripped over, or otherwise subjected to
damage or stress. Following this rule will reduce the risk
of serious personal injury.
Do not abuse cord. Never carry tool by cord or yank
it to disconnect from receptacle. Keep cord from
heat, oil and sharp edges. Following this rule will
reduce the risk of electric shock or fire.
An extension cord should not be used unless abso-
lutely necessary. Use of improper extension cord could
result in a risk of fire and electric shock. If extension cord
must be used, make sure:
a. That pins on plug of extension cord are the
same number, size and shape as those of
plug on charger.
b. That extension cord is properly wired and in
good electrical condition; and
c. That wire size is large enough for AC ampere
rating of charger as specified below:
Cord Length (Feet) 25' 50' 100'
Cord Size (AWG) 16 16 16
Note: AWG = American Wire Gage
Do not operate charger with a damaged cord or plug.
If damaged, have replaced immediately by a qualified
serviceman. Following this rule will reduce the risk of
electric shock, fire, or serious personal injury.
Do not operate charger if it has received a sharp blow,
been dropped, or otherwise damaged in any way;
take it to a qualified serviceman. Following this rule will
reduce the risk of electric shock, fire, or serious personal
injury.
Do not disassemble charger; take it to a qualified
serviceman when service or repair is required. Incor-
rect reassembly may result in a risk of electric shock
or fire. Following this rule will reduce the risk of electric
shock, fire, or serious personal injury.
To reduce the risk of electric shock, unplug charger
from outlet before attempting any maintenance or
cleaning. Turning off controls will not reduce this
risk. Following this rule will reduce the risk of electric
shock, fire, or serious personal injury.
Disconnect charger from power supply when not in
use. Following this rule will reduce the risk of electric
shock, fire, or serious personal injury.
Save these instructions. Refer to them frequently and
use them to instruct others who may use this tool. If
you loan someone this tool, loan them these instruc-
tions also. Following this rule will reduce the risk of
electric shock, fire, or serious personal injury.
WARNING:
Some dust created by power sanding, sawing, grind-
ing, drilling, and other construction activities contains
chemicals known to cause cancer, birth defects or
other reproductive harm. Some examples of these
chemicals are:
• lead from lead-based paints,
• crystalline silica from bricks and cement and
other masonry products, and
• arsenic and chromium from chemically-treated
lumber.
Your risk from these exposures varies, depending
on how often you do this type of work. To reduce
your exposure to these chemicals: work in a well
ventilated area, and work with approved safety equip-
ment, such as those dust masks that are specially
designed to filter out microscopic particles.
IMPORTANT SAFETY INSTRUCTIONS FOR CHARGER
SAVE THESE INSTRUCTIONS
6
The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols, and the
explanations with them, deserve your careful attention and understanding. The safety warnings do not by themselves
eliminate any danger. The instructions or warnings they give are not substitutes for proper accident prevention
measures.
Symbol Meaning
DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or
serious injury.
WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or
serious injury.
CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or
moderate injury. It may also be used to alert against unsafe practices that may cause property damage.
NOTE: Advises you of information or instructions vital to the operation or maintenance of the equipment.
SYMBOL NAME DESIGNATION/EXPLANATION
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
min Minutes Time
Alternating Current Type or a characteristic of current
--- Direct Current Type or a characteristic of current
n
0
No Load Speed Rotational speed, at no load
.../min Revolutions or Reciprocation Per Minute
Revolutions, strokes,
surface speed, orbits etc. per minute
Indicates danger, warning or caution.
Safety Alert Symbol It means attention!!! Your safety is
involved.
Always wear safety goggles or
Wear Eye Protection safety glasses with side shields when
operating this product.
Wet Conditions Alert
Do not expose to rain or use in damp
locations.
Important: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper
interpretation of these symbols will allow you to operate the tool better and safer.
SYMBOLS
7
SPECIFICATIONS
Chuck .............................................................................................................................................. 1/2 in. (13 mm) Keyless
Motor .................................................................................................................................................................... 18 Volt DC
Switch............................................................................................................................................................ Variable Speed
Gear Train ................................................................................................................................................................ 2 Speed
No Load Speed
Drill Speed ......................................................................................................................................... 0-400/0-1600/min.
Hammer Speed........................................................................................................................... 0-6400 / 0-25,600/min.
Clutch .................................................................................................................................................................24 Positions
Charger Input .....................................................................................................................................120 V, 60 Hz, AC only
Charge Rate .........................................................................................................................................................30 minutes
Torque ....................................................................................................................................................................485 in. lb.
FEATURES
Before using this tool, familiarize yourself with all operating
features and safety requirements. However, do not let
familiarity with the tool make you careless.
This new hammer drill is equipped with the following features.
See Figure 1.
KEYLESS CHUCK
The hammer drill has a keyless chuck that allows you to hand
tighten or release drill bit in the chuck jaws.
SWITCH
The hammer drill has a conveniently located variable speed
switch.
SWITCH LOCK
The switch trigger can be locked in the OFF (Center Lock)
position. This feature helps reduce the possibility of accidental
starting when not in use.
TWO SPEED GEAR TRAIN
The hammer drill has a two-speed gear train designed for
drilling or driving at LO (1) or HI (2) speeds. A slide switch is
located on top of your drill to select either LO (1) or HI (2)
speed.
FORWARD/REVERSE SELECTOR
(DIRECTION OF ROTATION SELECTOR)
The hammer drill has a forward/reverse selector located
above the switch trigger.
AUXILIARY HANDLE
This drill is equipped with an auxiliary handle for ease of
operation and to prevent loss of control.
DEPTH GAGE ROD
A depth gage rod has been supplied with your hammer drill
to assist in controlling the depth of drilled holes.
BIT STORAGE
When not in use, bits provided with the hammer drill can be
placed in the storage area located on the rear of the motor
housing.
CHARGER
The dual port charger fast-charges two batteries at once. It
is equipped with a fan that brings hot batteries to optimum
charging temperature for more efficient charging and longer
battery life. The charger has a “key hole” hanging feature for
convenient, space saving storage. Screws should be installed
so that center distances are 4-1/8 inches apart.
8
30
min
30
min
?
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Fig. 1
BIT
STORAGE
DIRECTION OF ROTATION
SELECTOR (FORWARD / REVERSE /
LOCK OFF [CENTER LOCK POSITION] )
TORQUE
ADJUSTMENT
RING
FEATURES
KEYLESS
CHUCK
BATTERY
PAC K
DUAL PORT
CHARGER
DEPTH GAGE
ROD
4-1/8 IN.
9
UNPACKING
INSTRUCTIONS
When unpacking the tool:
Carefully remove the tool and accessories from the box.
Make sure that all items listed in the packing list are in-
cluded.
Inspect the tool carefully to make sure no breakage or
damage occurred during shipping.
Do not discard the packing material until you have care-
fully inspected and satisfactorily operated the tool.
If any parts are damaged or missing, please call
1-866-539-1710 for assistance.
PACKING LIST
1/2 in. (13 mm) Two Speed Hammer Drill
Charger
Battery Pack (2)
Auxiliary Handle
Double-ended Bit
Operator’s Manual
WARNING:
If any parts are missing do not operate the tool until
the missing parts are replaced. Failure to do so could
result in possible serious personal injury.
10
?
30
min
30
min
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WARNING:
Do not allow familiarity with the hammer drill to
make you careless. Remember that a careless frac-
tion of a second is sufficient to inflict severe injury.
CHARGING BATTERY PACK
The battery pack for this tool has been shipped in a low
charge condition to prevent possible problems. Therefore,
you should charge it until the light on front of charger changes
from flashing green to continuous green.
Note: Batteries will not reach full charge the first time they
are charged. Allow several cycles (drilling followed by
recharging) for them to become fully charged. This is nominal
for nickel-cadmium batteries.
TO CHARGE
Charge battery pack only with the charger provided.
Make sure power supply is normal house voltage,
120 volts, 60 Hz, AC only.
Connect the charger to a power supply.
Attach battery pack to charger by aligning raised ribs on
battery pack with grooves in charger, then slide battery
pack onto charger.
See Figure 2.
After normal usage, 30 minutes of charging time is required to
be fully charged.
The battery pack will become slightly warm to the touch while
charging. This is normal and does not indicate a problem.
Do not place charger in an area of extreme heat or cold.
It will work best at normal room temperature.
When the batteries become fully charged, unplug your
charger from power supply and remove the battery pack.
IMPORTANT INFORMATION FOR RECHARG-
ING HOT BATTER
Y PACK
When using this drill continuously, the batteries in the
battery pack will become hot. The battery pack for this tool
will charge more rapidly and efficiently when at a cooled
temperature.
The internal fan for this charger will automatically turn on
when a hot battery pack is inserted. Air circulates through
the battery, bringing it to optimum charging temperature,
decreasing the time required to begin fast charging the
pack, and extending the life of the battery.
When the battery pack becomes discharged and is hot, the
green LED will be off and the red LED will begin flashing.
When the battery pack cools down to approximately 104°F
(40°C), the charger will automatically begin fast charge
mode.
If the Red LED continues to flash for more than 90 minutes,
and the green LED remains off, this may indicate a dam-
aged battery that will not charge.
OPERATION
Fig. 2
IMPORTANT INFORMATION FOR RECHARG-
ING COOL BATTERY PACK
If battery pack is below normal temperature range, the red
LED will begin flashing and the green LED will be off. When
the battery warms to a temperature of more than 41°F
(5°C), the charger will automatically begin fast charge mode.
Note: Refer to "CHARGING BATTERY PACK" for normal
recharging of batteries. If the charger does not charge your
battery pack under normal circumstances, return both the
battery pack and charger to your nearest repair center for
electrical check. For the location of your nearest repair
center, please call 1-866-539-1710.
KEEPING THE CHARGER VENTS CLEAN
The fan in this charger will perform more efficiently if the air
vents and ports are kept free of dust or other debris. Peri-
odically check the air vents, and using a fine brush, whisk
dust or debris away from the air vents and ports.
CAUTION:
To prevent damage to battery pack, remove battery
pack from charger immediately if no LED comes
on. Return battery pack and charger to your near-
est service center for checking or replacing. Also, if
you are removing battery pack from charger and no
LEDs are on, return both battery pack and charger
to your nearest service center. Do not insert an-
other battery pack into charger. A damaged charger
may damage a battery pack.
11
30
min
30
min
?
OPERATION
LED BATTERY RED GREEN
ACTION
INDICATOR PACK LED LED
Power Without battery pack ON OFF Ready to charge battery pack
Evaluate Hot battery pack Flashing OFF When battery pack reaches
cooled temperature, charger
begins fast charge mode
Evaluate Cold battery pack Flashing OFF When battery pack reaches
warmed temperature, charger
begins fast charge mode
Evaluate Deeply discharged Flashing OFF Charger pre-charges battery
until normal voltage is reached,
then begins fast charge mode
Evaluate Thermistor shorted Flashing OFF If red LED continues flashing for
or open more than 90 minutes, and
green LED remains off, this may
indicate a damaged battery
Charging Fast charging ON Flashing Fast charges in 30 minutes
Full Slow charging OFF ON Fast charging is complete.
Charger maintains charge mode.
LED FUNCTION OF CHARGER
See Figure 3.
Fig. 3
POWER
INDICATOR
EVALUATE
INDICATOR
CHARGING
INDICATOR
FULL
INDICATOR
12
Fig. 6
VARIABLE SPEED
SWITCH TRIGGER
OPERATION
TO INSTALL BATTERY PACK
Lock the switch trigger on the drill by placing the direction
of rotation (forward-reverse) selector in center position.
See Figure 4.
Place battery pack in the drill. Align raised rib on battery
pack with the groove inside the drill.
See Figure 5.
Make sure the latches on each side of your battery pack
snap in place and battery pack is secured in the drill
before beginning operation.
CAUTION:
When placing battery pack in the tool, be sure
raised rib on battery pack aligns with the slide on
the bottom of the drill and latches snap into place
properly. Improper assembly of the battery pack
can cause damage to internal components.
TO REMOVE BATTERY PACK
Lock the switch trigger on the drill by placing the direction
of rotation selector in center position.
See Figure 4.
Locate latches on side of battery pack and depress to
release battery pack from the drill.
See Figure 5.
The battery pack will automatically disconnect in
direction to be removed when buttons are depressed.
Remove the battery pack from your drill.
APPLICATIONS
You may use the two speed drill for the purposes listed
below:
Drilling in wood
Drilling in ceramics, plastics, fiberglass, and laminates
Drilling in both hard and soft metals
Using driving accessories, such as driving screws with
screwdriver bits
Mixing paints
Hammer drilling in concrete and masonry.
SWITCH
See Figure 6.
To turn your drill ON, depress the switch trigger. To turn it
OFF, release the switch trigger.
VARIABLE SPEED
See Figure 6.
This tool has a variable speed switch that delivers higher
speed and torque with increased trigger pressure. Speed is
controlled by the amount of switch trigger depression.
Fig. 4
FORWARD/REVERSE/LOCK OFF
SELECTOR
Fig. 5
DEPRESS LATCHES TO
RELEASE BATTERY PACK
13
This drill has an electric brake. When the trigger switch is
released, the chuck stops turning. When the brake is
functioning properly, sparks will be visible through the vent
slots on the housing. This is normal and is the action of the
brake.
Note: You might hear a whistling or ringing noise from the
switch during use. Do not be concerned, this is a normal part
of the switch function.
REVERSIBLE
See Figure 4.
This tool has the feature of being reversible. The direction of
rotation is controlled by a selector located above the switch
trigger. With the drill held in normal operating position, the
direction of rotation selector should be positioned to the left
of the switch for drilling. The drilling direction is reversed
when the selector is to the right of the switch. When the
selector is in center position, the switch trigger is locked.
CAUTION:
To prevent gear damage, always allow chuck to
come to a complete stop before changing the direc-
tion of rotation or the two speed gear train (hi-lo).
To stop, release switch trigger and allow the chuck to
come to a complete stop.
TWO-SPEED GEAR TRAIN
See Figure 7.
Your drill has a two-speed gear train designed for drilling or
driving at LO (1) or HI (2) speeds. A slide switch is located
on top of your drill to select either LO (1) or HI (2) speed.
When using drill in the LO (1) speed range, speed will
decrease and unit will have more power and torque. When
using drill in the HI (2) speed range, speed will increase
and unit will have less power and torque. Use LO (1) speed
for high power and torque applications and HI (2) speed for
fast drilling or driving applications.
AUXILIARY HANDLE
See Figure 8.
An auxiliary handle is packed with the drill for ease of opera-
tion and to help prevent loss of control.
To use the auxiliary handle:
Open the clamping ring by turning the handle counter-
clockwise.
Slide the ring of the auxiliary handle onto the spindle collar
of the machine.
Tighten the auxiliary handle at the desired angle by
turning the handle clockwise.
HI
SPEED
LO
SPEED
TWO SPEED
GEAR TRAIN (HI-LO)
1
Fig. 7
OPERATION
Fig. 8
22
18
16
20
R
TO LOOSEN
AUXILIARY
HANDLE
360° ROTATION
TO TIGHTEN
2
Note: For convenience the screw has been trapped inside
the auxiliary handle.
To prevent thread damage and possible loss of control, the
auxiliary handle should be checked periodically for tightness.
Do not operate the drill with the handle loose.
14
22
18
16
20
R
INSTALLING BITS
See Figures 9 and 10.
Lock the switch trigger by placing the direction of rotation
selector in center position.
See Figure 4.
Open or close chuck jaws to a point where the opening
is slightly larger than the bit size you intend to use. Also,
raise the front of the drill slightly to keep the bit from
falling out of the chuck jaws.
Insert drill bit straight into chuck the full length of the
jaws as shown in figure 10.
Tighten the chuck jaws on the drill bit.
To tighten the chuck jaws on drill bit; grasp and hold the
collar of the chuck with one hand, while rotating the chuck
body with your other hand.
Note: Rotate the chuck body in the direction of the ar-
row marked LOCK to tighten chuck jaws.
Do not use a wrench to tighten or loosen the chuck jaws.
WARNING:
Make sure to insert drill bit straight into chuck jaws.
Do not insert drill bit into chuck jaws at an angle
then tighten, as shown in Figure 9. This could cause
drill bit to be thrown from drill, resulting in possible
serious personal injury or damage to the chuck.
REMOVING BITS
See Figure 9.
Lock the switch trigger by placing the direction of rota-
tion selector in center position.
See Figure 4.
Loosen the chuck jaws from the drill bit
.
To loosen: grasp and hold the collar of the chuck with
one hand, while rotating chuck body with your other hand.
Note: Rotate chuck body in the direction of the arrow
marked UNLOCK to loosen chuck jaws.
Do not use a wrench to tighten or loosen the chuck jaws.
Remove the drill bit from the chuck jaws.
OPERATION
UNLOCK
(RELEASE)
LOCK
(TIGHTEN)
Fig. 9
22
18
16
20
Fig. 10
15
22
18
16
20
R
R
22
22
20
R
22
2
2
20
Fig. 13
TO DECREASE
TORQUE
TO INCREASE
TORQUE
ADJUSTING
RING
INSTALLING DEPTH GAGE ROD
See Figures 11 and 12.
A depth gage rod has been packed with your hammer drill to
assist you in controlling the depth of drilled holes.
When drilling holes with the depth gage rod installed, the
desired hole depth has been reached when the end of the
rod comes in contact with the surface of the material being
drilled.
Follow these steps to install and adjust the depth gage rod.
1. Loosen the auxiliary handle.
2. Insert the depth gage rod through hole on the auxiliary
handle.
3. Adjust the depth gage rod so that the drill bit extends
beyond the end of the rod to the required drilling
depth.
4. Tighten the auxiliary handle securely. This secures the
depth gage rod at the desired depth of cut. It also
secures the auxiliary handle.
ADJUSTABLE TORQUE CLUTCH
This drill is equipped with an adjustable torque clutch for
driving different types of screws into different materials.
The proper setting depends on the type of material and the
size of screw you are using.
TO ADJUST TORQUE
Identify the twenty four torque indicator settings located
on the front of the drill.
See Figure 13.
Rotate adjusting ring to the desired setting.
• 1 - 4 For driving small screws.
• 5 -8 For driving screws into soft material.
• 9 -12 For driving screws into soft and hard
materials.
• 13 -16 For driving screws in hard wood.
• 17 - 20 For driving large screws.
• 21 - 23 ( ) For heavy drilling.
• For hammer drilling.
OPERATION
TO INCREASE
DRILLING
DEPTH
DRILL BIT
Fig. 12
DRILLING DEPTH
Fig. 11
TO DECREASE
DRILLING
DEPTH
TO TIGHTEN
TO LOOSEN
16
OPERATION
BIT STORAGE
See Figure 14.
When not in use, the bit provided with this drill can be placed
in the storage area located on the rear of the drill.
WARNING:
Always wear eye protection marked to comply with
ANSI Z87.1. Failure to do so could result in dust,
shavings, or loose particles being thrown into your
eyes, resulting in possible serious injury.
DRILLING
See Figure 15.
When drilling hard smooth surfaces use a center punch to
mark desired hole location. This will prevent the drill bit from
slipping off center as the hole is started. However, the low
speed feature allows starting holes without center punching
if desired. To accomplish this, simply operate the drill at a
low speed until the hole is started.
The material to be drilled should be secured in a vise or
with clamps to keep it from turning as the drill bit rotates.
Hold tool firmly and place the bit at the point to be drilled.
Depress the switch trigger to start tool.
Move the drill bit into the workpiece applying only enough
pressure to keep the bit cutting. Do not force or apply side
pressure to elongate a hole.
WARNING:
Be prepared for binding or bit breakthrough. When
these situations occur, drill has a tendency to grab
and kick opposite to the direction of rotation and
could cause loss of control when breaking through
material. If not prepared, this loss of control can
result in possible serious injury.
When drilling metals, use a light oil on the drill bit to keep it
from overheating. The oil will prolong the life of the bit and
increase the drilling action.
If the bit jams in workpiece or if the drill stalls, release switch
trigger immediately. Remove the bit from the workpiece and
determine the reason for jamming.
Fig. 15
Fig. 14
17
TO ADJUST DRILLING OR HAMMER MODE
See Figure 16.
To adjust hammer drill to drilling or hammer operation, rotate
mode selector in the direction of arrows as shown in Figure
16. For your convenience a hammer symbol and drill bit sym-
bol have been molded into the selector.
WARNING:
Your hammer drill has not been designed for re-
verse hammering. Reverse hammering may dam-
age your drill.
We recommend that you use carbide-tipped bits and select
hammer mode when drilling in hard materials such as brick,
tile, concrete, etc.
We recommend that you select normal drilling mode when
drilling with twist drills, hole saws, etc. in steel and soft mate-
rials.
WOOD DRILLING
For maximum performance, use high speed steel bits
for wood drilling.
Turn mode selector ring on hammer drill to normal
drilling action.
Begin drilling at a very low speed to prevent the bit
from slipping off the starting point. Increase the speed
as the drill bit bites into the material.
When drilling through holes, place a block of wood
behind the workpiece to prevent ragged or splintered
edges on the back side of the hole.
Do not lock the trigger on for jobs where your hammer
drill may need to be stopped suddenly.
METAL DRILLING
For maximum performance, use high speed steel bits
for metal or steel drilling.
Turn mode selector on hammer drill to normal drilling
action.
Begin drilling at a very low speed to prevent the bit
from slipping off the starting point.
Maintain a speed and pressure which allows cutting
without overheating the bit. Applying too much pres-
sure will:
- Overheat the drill;
- Wear the bearings;
- Bend or burn bits; and
- Produce off-center or irregular shaped holes.
OPERATION
When drilling large holes in metal, we recommend that
you drill with a small bit at first, then finish with a larger
bit. Also, lubricate the bit with oil to improve drilling
action and increase bit life.
MASONRY DRILLING
For maximum performance use carbide-tipped ma-
sonry impact bits when drilling holes in brick, tile,
concrete, etc.
Turn mode selector on hammer drill to hammer mode.
Apply light pressure and medium speed for best
results in brick.
Apply additional pressure and high speed for hard
materials such as concrete.
When drilling holes in tile, practice on a scrap piece to
determine the best speed and pressure.
Fig. 16
HAMMER OPERATION
DRILLING OPERATION
22
18
16
20
R
ADJUSTING
RING
18
22
18
16
20
R
2
2
18
16
20
R
22
18
16
20
R
Fig. 18
Fig. 19
Fig. 17
MAINTENANCE
WARNING:
When servicing use only identical RIDGID
®
replace-
ment parts. Use of any other parts may create a
hazard or cause product damage.
Do not abuse power tools. Abusive practices can damage
tool as well as workpiece.
GENERAL
Avoid using solvents when cleaning plastic parts. Most plas-
tics are susceptible to damage from various types of com-
mercial solvents and may be damaged by their use. Use clean
cloths to remove dirt, carbon dust, etc. that can damage,
weaken, or destroy plastic.
WARNING:
Do not at any time let brake fluids, gasoline, petro-
leum-based products, penetrating oils, etc. come in
contact with plastic parts. They contain chemicals
that can damage, weaken or destroy plastic.
WARNING:
Do not attempt to modify this tool or create acces-
sories not recommended for use with this tool. Any
such alteration or modification is misuse and could
result in a hazardous condition leading to possible
serious personal injury.
WARNING:
Always wear eye protection marked to comply with
ANSI Z87.1. Failure to do so could result in dust,
shavings, or loose particles being thrown into your
eyes, resulting in possible serious injury.
CHUCK REMOVAL
See Figures 17, 18, and 19.
The chuck must be removed in order to use some accesso-
ries. To remove:
Lock the switch trigger by placing the direction of rota-
tion selector in center position. See
Figure 4.
Insert a 5/16 in. or larger hex key into the chuck of the
drill and tighten the chuck jaws securely.
Tap the hex key sharply with a mallet in a clockwise di-
rection. See
Figure 17.
This will loosen the screw in the
chuck for easy removal.
19
R
E
C
Y
C
L
E
1
.
8
0
0
.
8
2
2
.
8
8
3
7
RBRC
Ni
Cd
™
MAINTENANCE
To obtain the longest possible battery life, we suggest the
following:
Store and charge your batteries in a cool area.
Temperatures below 50°F or above 100°F will shorten
battery life.
Never store batteries in a discharged condition. Recharge
them immediately after they are discharged.
All batteries gradually lose their charge. The higher the
temperature the quicker they lose their charge. If you
store your tool for long periods of time without using it,
recharge the batteries every month or two. This practice
will prolong battery life.
BATTERY PACK REMOVAL AND
PREPARATION FOR RECYCLING
WARNING:
Upon removal, cover the battery pack's terminals
with heavy duty adhesive tape. Do not attempt to
destroy or disassemble battery pack or remove any
of its components. Nickel-cadmium batteries must
be recycled or disposed of properly. Also, never
touch both terminals with metal objects and/or body
parts as short circuit may result. Keep away from
children. Failure to comply with these warnings could
result in fire and/or serious injury.
To preserve natural resources, please
recycle or dispose of batteries properly.
This product contains nickel-cadmium
batteries. Local, state or federal laws may
prohibit disposal of nickel-cadmium
batteries in ordinary trash.
Consult your local waste authority for information regarding
available recycling and/or disposal options
Open the chuck jaws and remove the hex key. Remove
the chuck screw by turning it in a clockwise direction.
See Figure 18.
Note: The screw has left hand threads.
Insert the hex key in the chuck and tighten chuck jaws
securely. Tap sharply with a mallet in a counterclock-
wise direction. This will loosen the chuck on the spindle.
It can now be unscrewed by hand.
See Figure 19.
TO RETIGHTEN A LOOSE CHUCK
The chuck may become loose on spindle and develop a
wobble. Periodically check chuck screw for tightness.
To tighten, follow these steps:
Lock the switch trigger by placing the direction of rota-
tion selector in center position. See
Figure 4.
Open the chuck jaws.
Insert the hex key into the chuck and tighten chuck jaws
securely. Tap the hex key sharply with a mallet in a clock-
wise direction. This will tighten the chuck on the spindle.
See Figure 17.
Open the chuck jaws and remove the hex key.
Tighten the chuck screw.
Note: The chuck screw has left hand threads.
BATTERIES
The battery pack for your tool is equipped with nickel-
cadmium rechargeable batteries. Length of service from
each charging will depend on the type of work you are doing.
The batteries in this tool have been designed to provide
maximum trouble free life. However, like all batteries, they
will eventually wear out. Do not disassemble battery pack
and attempt to replace the batteries. Handling of these
batteries, especially when wearing rings and jewelry, could
result in a serious burn.
20
This product is manufactured under license from Ridgid, Inc.
by One World Technologies, Inc. All warranty communications
should be directed to One World Technologies, Inc. at (toll-
free) 1-866-539-1710.
90-DAY SATISFACTION GUARANTEE POLICY
During the first 90 days after the date of purchase, if you are
dissatisfied with the performance of this RIDGID tool for any
reason you may return the tool to the dealer from which it
was purchased for a full refund or exchange. To receive a
replacement tool you must present proof of purchase and
return all original equipment packaged with the original
product. The replacement tool will be covered by the limited
warranty for the balance of the three year warranty period.
WHAT IS COVERED UNDER THE LIMITED
THREE YEAR WARRANTY
This warranty covers all defects in workmanship or materials
in this RIDGID tool for the three year period from the date of
purchase. This warranty is specific to this tool. Warranties
for other RIDGID products may vary.
HOW TO OBTAIN SERVICE
To obtain service for this RIDGID tool, you must return it,
freight prepaid, to an authorized RIDGID service center for
hand held and stationary power tools. You may obtain the
location of the authorized service center nearest you by
calling (toll-free) 1-866-539-1710 or by logging on to the
RIDGID website at www.ridgidwoodworking.com. When
requesting warranty service, you must present the proof of
purchase documentation, which includes a date of purchase.
The authorized service center will repair any faulty
workmanship, and either repair or replace any defective part,
at our option at no charge to you.
WARRANTY
WHAT IS NOT COVERED
This warranty applies only to the original purchaser at retail
and may not be transferred. This warranty only covers
defects arising under normal usage and does not cover any
malfunction, failure or defect resulting from misuse, abuse,
neglect, alteration, modification or repair by other than an
authorized RIDGID service center for hand held and
stationary power tools. One World Technologies, Inc. makes
no warranties, representations or promises as to the quality
or performance of its power tools other than those specifically
stated in this warranty.
ADDITIONAL LIMITATIONS
To the extent permitted by applicable law, all implied
warranties, including warranties of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE, are disclaimed.
Any implied warranties, including warranties of
merchantability or fitness for a particular purpose, that
cannot be disclaimed under state law are limited to three
years from the date of purchase. One World Technologies,
Inc. is not responsible for direct, indirect, incidental or
consequential damages. Some states do not allow limitations
on how long an implied warranty lasts and/or do not allow
the exclusion or limitation of incidental or consequential
damages, so the above limitations may not apply to you.
This warranty gives you specific legal rights, and you may
also have other rights which vary from state to state.
RIDGID
®
HAND HELD AND STATIONARY POWER TOOL
LIMITED THREE YEAR WARRANTY
AND 90-DAY SATISFACTION GUARANTEE POLICY
One World Technologies, Inc.
Hwy. 8
Pickens, SC 29671
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RIDGID R841151 is a 22021/2 in. 18 VOLT HAMMER DRILL manufactured to high standards for dependability, ease of operation, and operator safety. When properly cared for, the drill gives years of rugged, trouble-free performance.
This new drill features an ergonomic soft rubber grip for comfort, a variable-speed reversible motor for added control, and a keyless chuck for quick and easy bit changes. The drill also has a built-in LED light to illuminate your work area and a belt hook for easy storage.
The RIDGID R841151 is ideal for drilling into wood, metal, plastic, and masonry.
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